package rabbitmq.topic;

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import rabbitmq.constant.Constants;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Producer {
    public static void main(String[] args) throws IOException, TimeoutException {
        // 1. 建立连接
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost(Constants.HOST);
        connectionFactory.setPort(Constants.PORT);
        connectionFactory.setUsername(Constants.USER_NAME);
        connectionFactory.setPassword(Constants.PASSWORD);
        connectionFactory.setVirtualHost(Constants.VIRTUAL_HOST);
        Connection connection = connectionFactory.newConnection();

        // 2. 开启信道
        Channel channel = connection.createChannel();

        // 3. 声明交换机
        channel.exchangeDeclare(Constants.TOPIC_EXCHANGE, BuiltinExchangeType.TOPIC, true);

        // 4. 声明队列
        channel.queueDeclare(Constants.TOPIC_QUEUE1, true, false, false, null);
        channel.queueDeclare(Constants.TOPIC_QUEUE2, true, false, false, null);

        // 5. 绑定交换机和队列
        channel.queueBind(Constants.TOPIC_QUEUE1, Constants.TOPIC_EXCHANGE, "*.a.*");
        channel.queueBind(Constants.TOPIC_QUEUE2, Constants.TOPIC_EXCHANGE, "*.*.b");
        channel.queueBind(Constants.TOPIC_QUEUE2, Constants.TOPIC_EXCHANGE, "c.#");

        // 6. 发送消息
        String msg_a = "hello topic, my routingkey is ae.a.f....";
        channel.basicPublish(Constants.TOPIC_EXCHANGE, "ae.a.f", null, msg_a.getBytes());

        String msg_b = "hello topic, my routingkey is ef.a.b....";
        channel.basicPublish(Constants.TOPIC_EXCHANGE, "ef.a.b", null, msg_b.getBytes());

        String msg_c = "hello topic, my routingkey is c.ef.d....";
        channel.basicPublish(Constants.TOPIC_EXCHANGE, "c.ef.d", null, msg_c.getBytes());
        System.out.println("消息发送成功");

        // 7. 释放资源
        channel.close();
        connection.close();
    }
}
